internal void EmitHelpers()
{
CompilationUnit unit = this.CompilationUnit;
ILEmitter il = new ILEmitter(DeclareHelperBuilder);
IndexedPlace script_context_place = new IndexedPlace(PlaceHolder.Argument, 0);
foreach (PhpFunction function in unit.GetDeclaredFunctions())
{
if (function.IsDefinite)
{
CodeGenerator.EmitDeclareFunction(il, script_context_place, function);
}
}
foreach (PhpType type in unit.GetDeclaredTypes())
{
if (type.IsDefinite)
{
// CALL <context>.DeclareType(<type desc>, <name>);
type.EmitAutoDeclareOnScriptContext(il, script_context_place);
}
else if (!type.IsComplete)
{
if (type.IncompleteClassDeclareMethodInfo != null)
{
// check whether base class is known at this point of execution,
// if so, declare this incomplete class immediately. As PHP does.
type.EmitDeclareIncompleteOnScriptContext(il, script_context_place);
}
}
}
foreach (GlobalConstant constant in unit.GetDeclaredConstants())
{
if (constant.IsDefinite)
{
var field = constant.RealField;
Debug.Assert(field != null);
Debug.Assert(field.IsStatic);
// CALL <context>.DeclareConstant(<name>, <value>);
script_context_place.EmitLoad(il);
il.Emit(OpCodes.Ldstr, constant.FullName);
il.LoadLiteralBox(constant.Value); //il.Emit(OpCodes.Ldsfld, field); // const field cannot be referenced in IL
il.Emit(OpCodes.Call, Methods.ScriptContext.DeclareConstant);
}
}
il.Emit(OpCodes.Ret);
}